CN107402893A - USB switching method and device, system - Google Patents
USB switching method and device, system Download PDFInfo
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- CN107402893A CN107402893A CN201610340344.6A CN201610340344A CN107402893A CN 107402893 A CN107402893 A CN 107402893A CN 201610340344 A CN201610340344 A CN 201610340344A CN 107402893 A CN107402893 A CN 107402893A
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- slave units
- usb
- main equipment
- hubs
- buses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
Abstract
The invention provides the switching method of USB a kind of and device, system；Wherein, this method also includes：In the case where the USB3.0 interfaces for detecting USB main equipment insert USB3.0 slave units, judge to whether there is interference signal between the network where USB3.0 slave units and the network where specified wireless network and/or intended wireless device；In the case where judged result is interference signal be present, by USB3.0 bus switchs to USB2.0 buses.By the present invention, solve the interference problem occurred in correlation technique in USB3.0 hypervelocity transmitting procedure, improve the Experience Degree of user.
Description
Technical field
The present invention relates to the communications field, switching method and device in particular to a kind of USB, system.
Background technology
In recent years, as personal computer (PC) manufacturer has been stepped up USB3.0 console controller chips on machine,
The production and application of USB3.0 equipment are more and more extensive, and people have also enjoyed high speed of the USB3.0 technologies in data transfer
Rate.
But the thing for also having some to influence Consumer's Experiences due to following reason, in USB3.0 use：
One：USB3.0 influence 2.4GHz communication, any wire signal all can outside radiated electromagnetic wave, unless it is straight
Stream electricity (changing without frequency) or shielding completely.Signal (such as voltage, electric current, the frequency transmitted in the intensity and cable of interference
Rate) it is relevant.So although USB3.0 is wire signal, but still possible outside radiated electromagnetic wave, other signals are produced dry
Disturb.Although USB3.0 transmission frequency is 5GHz serial, USB3.0 forms 2 groups using 4 data lines, and every group is responsible for a biography
Defeated direction, the two-way 5GHz of full duplex is realized, and the reference frequency per data line is 2.5GHz, this frequency distance 2.4G
WiFi frequency is too near, and most of high-frequency apparatus all employ SSC technologies so that signal is not exclusively distributed in a fixed frequency
In rate, so just involved other frequencies near 2.5GHz, i.e. USB3.0 to WiFi and and other use 2.4GHz frequency ranges
Product generates larger interference.
Secondly：USB3.0 console controller is also just to start development ＆ production in recent years, and each different manufacturer drives
Dynamic difference, compatibility issue just occurs in this unavoidably.Occur console controller Huang during sometimes USB device use suddenly to sigh
Number, even portless problem, only plug can just be continuing with；Sometimes plug can not recover, and can only restart operation system
System can be just continuing with, the above is a variety of be all USB3.0 equipment be from USB3.0 console controllers with the period by different equipment
Produced with chip manufacturer, cannot pass through enough compatibility tests causes.This can only pass through equipment and host driven factory
Business more newly arrives solution to the constantly improve of product.
In correlation technique, USB3.0 wireless network card use is identical with USB2.0, and only USB3.0 use needs to match somebody with somebody
Close USB3.0 main frames, USB3.0 wireless network cards and USB3.0 lines.In USB3.0 wireless network cards insertion USB3.0 HPIs, meeting
Report host operating system in a manner of virtual drive, after the application and driving inside user installation virtual drive,
USB3.0 wireless network cards can be switched to mode of operation (network card interface for including modem or NDIS), and now user can be used
Wireless network carries out networking operation.
However, it is possible to the wireless network card progress high-speed downloads for plugging USB3.0 or the hard disk using USB3.0 can be run into
File copy is carried out, WIFI, which occurs as soon as the problem of reduction of speed either interrupts or Wireless USB Mouse, will react very slow, here it is
Interference problem of the electromagnetic wave to 2.4GHz frequencies caused by USB3.0 hypervelocity transmission.
The solution method of interference problem occurred in transmitting procedure is exceeded the speed limit primarily directed to USB3.0 currently for USB3.0
The electromagnetic shielding of interface, all it is to surround physical attribute to change or being modification USB circuit structure or being increase radome.
This modification needs to increase hardware cost, and without the thing that unified specification, different hardware vendors may design
Vary.
Also do not solve method well to this problem on software, substantially evade, and in the above-mentioned solution of software
That USB3.0 hubs HUB can not use problem, wherein be mounted with an application, this application detect after HUB exceptions to
USB3.0 equipment issues pattern switching instruction, can not so as to evade USB3.0 from USB3.0 pattern switchings to USB2.0 patterns
The problem of being continuing with.This patent has one disadvantage in that exactly application must detect exception in advance, or the exception occurred is not
Issuing for USB switching commands is influenceed, the USB3.0 patterns of this patent can just switch to USB2.0 patterns, once all pipelines of USB
It is all obstructed, then USB switching commands cannot just be issued to USB device side at all, also can not just have switched.
For the interference problem occurred in USB3.0 hypervelocity transmitting procedure in correlation technique, effective solution is not yet proposed at present
Certainly scheme.
The content of the invention
The embodiments of the invention provide the switching method of USB a kind of and device, system, at least to solve in correlation technique
The interference problem occurred in USB3.0 hypervelocity transmitting procedures.
According to one embodiment of present invention, there is provided a kind of switching method of general-purpose serial bus USB, including：Examining
Measure general-purpose serial bus USB main equipment USB3.0 interfaces insert USB3.0 slave units in the case of, judge USB3.0 from
It whether there is interference signal between the network where network and specified wireless network and/or intended wireless device where equipment；
In the case where judged result is interference signal be present, by USB3.0 bus switchs to USB2.0 buses.
Alternatively, USB3.0 bus switchs to USB2.0 buses are included：It will connect in USB main equipment with USB3.0 slave units
The Root Hub connect is switched to USB2.0 hubs by USB3.0 hubs.
Alternatively, in the following manner by the Root Hub being connected in USB main equipment with USB3.0 slave units by USB3.0
Hub is switched to USB2.0 hubs：Value corresponding with USB3.0 hubs in USB main equipment is revised as and USB2.0
Value corresponding to hub.
Alternatively, after by USB3.0 bus switchs to USB2.0 buses, method also includes：To under USB3.0 slave units
Hair resets reset instructions, wherein, reset is instructed for indicating that USB3.0 slave units are entered using USB2.0 agreements with USB main equipment
Row communication.
Alternatively, before by USB3.0 bus switchs to USB2.0 buses, the above method also includes：Switching is received to refer to
Order；Wherein, above-mentioned switching command, which is used for instruction, allows USB3.0 bus switchs to USB2.0 buses.
Alternatively, after by USB3.0 bus switchs to USB2.0 buses, method also includes：Detect USB3.0 from
In the case that equipment extracts USB main equipment, by USB2.0 bus switchs to USB3.0 buses.
Alternatively, wireless network is specified to include Wireless Fidelity WIFI, intended wireless device includes：Wireless mouse.
According to another embodiment of the invention, there is provided a kind of switching device of general-purpose serial bus USB, including：Sentence
Disconnected module, for inserting the situation of USB3.0 slave units in the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment
Under, judge be between the network where USB3.0 slave units and the network where specified wireless network and/or intended wireless device
It is no interference signal to be present；Handover module, for it interference signal be present in judged result in the case of, by USB3.0 bus switchs
To USB2.0 buses.
Alternatively, handover module be additionally operable to by USB main equipment with the Root Hub that USB3.0 slave units are connected by
USB3.0 hubs are switched to USB2.0 hubs.
Alternatively, the root collection that above-mentioned handover module will be connected in USB main equipment with USB3.0 slave units in the following manner
Line device is switched to USB2.0 hubs by USB3.0 hubs：Value corresponding with USB3.0 hubs in USB main equipment is repaiied
It is changed to value corresponding with USB2.0 hubs.
Alternatively, said apparatus also includes：Sending module, reset instructions are reset for being issued to USB3.0 slave units, its
In, reset is instructed for indicating that USB3.0 slave units are communicated using USB2.0 agreements with USB main equipment.
Alternatively, said apparatus also includes：Receiving module, for receiving switching command, wherein, above-mentioned switching command is used for
Instruction allows USB3.0 bus switchs to USB2.0 buses.
Alternatively, handover module is additionally operable in the case where detecting that USB3.0 slave units extract USB main equipment, will
USB2.0 bus switchs are to USB3.0 buses.
Alternatively, wireless network is specified to include Wireless Fidelity WIFI, intended wireless device includes：Wireless mouse.
According to another embodiment of the invention, there is provided a kind of system, including：USB main equipment, USB3.0 slave units and
USB3.0 cables；Wherein, USB main equipment includes the device of any one of claim 9 to 16.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used
In the program code for performing following steps：Inserted in the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment
In the case of USB3.0 slave units, network where judging USB3.0 slave units and specified wireless network and/or intended wireless device
It whether there is interference signal between the network at place；In the case where judged result is interference signal be present, by USB3.0 buses
Switch to USB2.0 buses.
By the present invention, due to inserting the situation of USB3.0 slave units in the USB3.0 interfaces for detecting USB main equipment
Under, by judge the network where USB3.0 slave units and the network where specified wireless network and/or intended wireless device it
Between whether there is interference signal, and in judged result interference signal to be present in the case of, by USB3.0 bus switchs extremely
USB2.0 buses, i.e., in the case where the USB3.0 interfaces for detecting USB main equipment insert USB3.0 slave units, and exist dry
When disturbing signal, USB3.0 is switched into USB2.0, and then has evaded corresponding interference problem, solves USB3.0 in correlation technique
The interference problem occurred in hypervelocity transmitting procedure.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of hardware block diagram of the terminal of USB of embodiment of the present invention switching method；
Fig. 2 is the flow chart of USB according to embodiments of the present invention switching method；
Fig. 3 is the structured flowchart of the switching device of general-purpose serial bus USB according to embodiments of the present invention；
Fig. 4 is the USB3.0 system physical connection figures provided according to the preferred embodiment of the present invention；
Fig. 5 is the automatic detection and switching APP provided according to the preferred embodiment of the present invention scheme of installation；
Fig. 6 is the relation schematic diagram between the host application program and each module provided according to the preferred embodiment of the present invention；
Fig. 7 is the USB3.0 console controller structured flowcharts provided according to the preferred embodiment of the present invention；
Fig. 8 is the structured flowchart of module in the application program provided according to the preferred embodiment of the present invention；
Fig. 9 is the schematic flow sheet that the application program provided according to the preferred embodiment of the present invention is installed；
Figure 10 is the schematic flow sheet of the USB3.0 switching methods provided according to the preferred embodiment of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The embodiment of the method that the embodiment of the present application 1 is provided can be in mobile terminal, terminal or similar fortune
Calculate and performed in device.Exemplified by running on computer terminals, Fig. 1 is a kind of USB of embodiment of the present invention switching method
The hardware block diagram of terminal.(only shown in figure as shown in figure 1, terminal 10 can include one or more
One) (processor 102 can include but is not limited to Micro-processor MCV or PLD FPGA etc. place to processor 102
Manage device), the memory 104 for data storage and the transmitting device 106 for communication function.Ordinary skill
Personnel are appreciated that the structure shown in Fig. 1 is only to illustrate, and it does not cause to limit to the structure of above-mentioned electronic installation.For example, meter
Calculation machine terminal 10 may also include more either less components than shown in Fig. 1 or have the configuration different from shown in Fig. 1.
Memory 104 can be used for the software program and module of storage application software, as general in the embodiment of the present invention
Programmed instruction/module corresponding to the switching method of serial bus USB, processor 102 are stored in memory 104 by operation
Software program and module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory 104
May include high speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory,
Or other non-volatile solid state memories.In some instances, memory 104 can further comprise relative to processor 102
Remotely located memory, these remote memories can pass through network connection to terminal 10.The example of above-mentioned network
Including but not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to data are received or sent via a network.Above-mentioned network instantiation may include
The wireless network that the communication providerses of terminal 10 provide.In an example, transmitting device 106 is fitted including a network
Orchestration (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to
Internet is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, its
For wirelessly being communicated with internet.
A kind of switching side for the general-purpose serial bus USB for running on above computer terminal is provided in the present embodiment
Method, Fig. 2 is the flow chart of USB according to embodiments of the present invention switching method, as shown in Fig. 2 the flow comprises the following steps：
Step S202, USB3.0 slave units are inserted in the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment
In the case of, judge network of the network where with specified wireless network and/or intended wireless device where USB3.0 slave units
Between whether there is interference signal；
Step S204, it is in the case where judged result is interference signal be present, USB3.0 bus switchs is total to USB2.0
Line.
By above-mentioned steps, due to inserting the feelings of USB3.0 slave units in the USB3.0 interfaces for detecting USB main equipment
Under condition, pass through the network where judging the network where USB3.0 slave units with specified wireless network and/or intended wireless device
Between whether there is interference signal, and in judged result interference signal to be present in the case of, by USB3.0 bus switchs extremely
USB2.0 buses, i.e., in the case where the USB3.0 interfaces for detecting USB main equipment insert USB3.0 slave units, and exist dry
When disturbing signal, USB3.0 is switched into USB2.0, and then has evaded corresponding interference problem, solves USB3.0 in correlation technique
The interference problem occurred in hypervelocity transmitting procedure.
It should be noted that step S202 can include：Whether the network where detection USB3.0 slave units is used, with
And whether the network where the above-mentioned specified wireless network of detection and/or intended wireless device is currently being used；It is specified detecting
Network where wireless network and/or intended wireless device be currently being used and the network where the USB3.0 slave units
In the case of by use, determine network where USB3.0 slave units with where specified wireless network and/or intended wireless device
Network between interference signal be present.
It should be noted that the network where wireless network and/or intended wireless device are specified in above-mentioned detection is made
Mode can have it is a variety of, in one embodiment of the invention, above-mentioned detection mode can show as detection in specified nothing
Whether there is business performing on network on gauze network and/or where intended wireless device, specified if so, may be considered this
Network where wireless network and/or intended wireless device is currently being used, but is not limited to this.
In one embodiment of the invention, above-mentioned steps S204 can be shown as：By in USB main equipment with USB3.0 from
The Root Hub of equipment connection is switched to USB2.0 hubs by USB3.0 hubs.
It is alternatively possible in the following manner by USB main equipment with the Root Hub that USB3.0 slave units are connected by
USB3.0 hubs are switched to USB2.0 hubs：By value corresponding with USB3.0 hubs in USB main equipment be revised as with
Value corresponding to USB2.0 hubs.USB3.0 states and USB2.0 are carried out by changing the analog value in USB main equipment
Switching between state so that compared with the switching mode in correlation technique, whether occur in hub corresponding to USB3.0
In the case that failure either all USB pipeline is all obstructed, remain able to realize USB3.0 to USB2.0 switching, it is more preferable must
Improve the Experience Degree of user.
Specifically, can value corresponding with USB3.0 hubs and value corresponding with USB2.0 hubs can store
In control register in USB main equipment, you can with by changing or setting corresponding hub in control register
Value, to carry out the switching between USB3.0 states and USB2.0 states.
It is illustrated below, for example the numerical value 2 that is set in control register represents and uses USB3.0, the generation of numerical value 1
Table uses dual-bus structure, i.e. USB3.0 and USB2.0 coexist, and numerical value 0, which represents, uses USB2.0, and default value is number
Value 1, after the signal that wireless network and/or wireless device are currently being used is received, numerical value 1 can be revised as 0, that is, completed
USB3.0 to USB2.0 switching.It should be noted that the meaning that above-mentioned numerical value represents is used only for illustrating, it is not used to carry out
Limit, for example numerical value 0 can also represent to use USB3.0, numerical value 2 represents and uses USB2.0.
In one embodiment of the invention, after above-mentioned steps S204, the above method can also include：To USB3.0
Slave unit, which issues, resets reset instructions, wherein, reset is instructed for indicating that USB3.0 slave units use USB2.0 agreements and USB
Main equipment is communicated.It should be noted that reset instructions may be used to indicate that and re-recognize connected USB device.It is logical
Crossing the step can be so that USB3.0 slave units be eventually completed information reporting with USB2.0 agreement and worked on.
In one embodiment of the invention, before above-mentioned steps S204, the above method can also include：Receive switching
Instruction；Wherein, above-mentioned switching command, which is used for instruction, allows USB3.0 bus switchs to USB2.0 buses.I.e. receive it is above-mentioned
USB3.0 and USB2.0 switching are just carried out after switching command.
It should be noted that above-mentioned reception switching command can be shown as：Specified wireless network and/or specify wirelessly set
The network at standby place is currently being used, and/or when the network where USB3.0 slave units is currently being used, can directly be triggered and be cut
Order is changed, can also be shown as, when meeting above-mentioned condition, does not first trigger switching command, but first send for prompting user
The prompt message of the switching of usb bus whether is carried out, is receiving the instruction (i.e. switching command) for the switching for carrying out usb bus
Afterwards, switch over, but be not limited to this.It should be noted that first prompt the user whether to carry out usb bus switching, if user
Instruction switches without usb bus, then shows that user can receive the interference signal, so, can enable to according to user
Instruction determine whether to switch over, can preferably improve the Experience Degree of user.
In one embodiment of the invention, after above-mentioned steps S204, the above method can also include：Detecting
In the case that USB3.0 slave units extract USB main equipment, by USB2.0 bus switchs to USB3.0 buses.Detecting
USB3.0 slave units are pulled out and then switched back into USB3.0 buses.
It should be noted that it is above-mentioned in the case where detecting that two USB3.0 equipment extract USB main equipment, USB2.0 is total
Line switches to USB3.0 buses, can not also occur after step s 204, for example, can be detect above-mentioned USB3.0 from
During equipment, judge that the USB3.0 slave units are insertion or extract USB main equipment, in insertion, perform step S204, extracting
When can perform USB2.0 bus switchs to USB3.0 buses, but be not limited to this.
It should be noted that above-mentioned specified wireless network can be Wireless Fidelity WIFI, such as 2.4GHz WIFI, but simultaneously
Not limited to this, such as USB3.0 can cause what is necessarily disturbed to the WIFI, WIFI of the frequency in 2.5GHz preset range,
It should be noted that the preset range can be 0.5GHz effects, i.e. WIFI of the frequency between 2GHz to 3GH, but and unlimited
In this.Above-mentioned intended wireless device can be wireless mouse or other wireless devices, such as wireless headset, and unlimited
In this, this can also use the equipment of the frequency range in 2.5GHz preset range with wireless device.
Alternatively, the executive agent of above-mentioned steps can with terminal, including terminal, mobile terminal etc. or
Server etc., but not limited to this.
It should be noted that above-mentioned USB main equipment can be mobile terminal, terminal, however it is not limited to this, it is above-mentioned
USB3.0 slave units can also be mobile terminal, terminal but it is also possible to be some USB3.0 equipment, such as USB3.0 without
Gauze card etc., but it is not limited to this.
It should be noted that the above method can also be stored in USB3.0 slave units in a manner of program, work as USB3.0
When slave unit inserts USB main equipment, USB main equipment can will be copied in program corresponding to this method in a manner of virtual optical disk
In, this method is performed by USB main equipment；It can certainly be stored directly in USB main equipment, however it is not limited to this.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
A kind of switching device of general-purpose serial bus USB is additionally provided in the present embodiment, and the device is above-mentioned for realizing
Embodiment and preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can be real
The combination of the software and/or hardware of existing predetermined function.Although device described by following examples is preferably realized with software,
But hardware, or the realization of the combination of software and hardware is also what may and be contemplated.
Fig. 3 is the structured flowchart of the switching device of general-purpose serial bus USB according to embodiments of the present invention, as shown in figure 3,
The device includes：
Judge module 32, for inserting USB3.0 in the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment
In the case of slave unit, judge network where USB3.0 slave units with where specified wireless network and/or intended wireless device
Network between whether there is interference signal；
Handover module 34, it is connected with above-mentioned judge module 32, for it interference signal be present in judged result in the case of,
By USB3.0 bus switchs to USB2.0 buses.
By said apparatus, due to inserting the feelings of USB3.0 slave units in the USB3.0 interfaces for detecting USB main equipment
Under condition, network and specified wireless network and/or intended wireless device where USB3.0 slave units are judged by judge module 32
It whether there is interference signal between the network at place, and in the case where judged result is interference signal be present, handover module
34 by USB3.0 bus switchs to USB2.0 buses, i.e., the USB3.0 interfaces for detecting USB main equipment insert USB3.0 from
In the case of equipment, and when interference signal be present, USB3.0 is switched into USB2.0, and then has evaded corresponding interference problem,
Solves the interference problem occurred in correlation technique in USB3.0 hypervelocity transmitting procedure.
In one embodiment of the invention, above-mentioned judge module 32 is additionally operable to, and detects the net where USB3.0 slave units
Whether network is currently being used, and whether the network where the specified wireless network of detection and/or intended wireless device is made
With the network where specified wireless network and/or intended wireless device is detected is currently being used, and USB3.0 slave units
In the case that the network at place is also currently being used, determine network where USB3.0 slave units and intended wireless device and/or
Interference signal be present between network where intended wireless device.
In one embodiment of the invention, above-mentioned handover module 34 be additionally operable to by USB main equipment with USB3.0 from setting
The Root Hub of standby connection is switched to USB2.0 hubs by USB3.0 hubs.
Alternatively, above-mentioned handover module 34 will can be connected in USB main equipment with USB3.0 slave units in the following manner
Root Hub USB2.0 hubs are switched to by USB3.0 hubs：Will be corresponding with USB3.0 hubs in USB main equipment
Value is revised as value corresponding with USB2.0 hubs.I.e. handover module 34 by change the analog value in USB main equipment come
Carry out the switching between USB3.0 states and USB2.0 states so that compared with the switching mode in correlation technique, in USB3.0
Corresponding hub whether occur failure either all USB pipeline it is all obstructed in the case of, remain able to realize
USB3.0 to USB2.0 switching, the more preferable Experience Degree that must improve user.
Specifically, can value corresponding with USB3.0 hubs and value corresponding with USB2.0 hubs can store
In control register in USB main equipment, you can with by changing or setting corresponding hub in control register
Value, to carry out the switching between USB3.0 states and USB2.0 states.
It is illustrated below, for example the numerical value 2 that is set in control register represents and uses USB3.0, the generation of numerical value 1
Table uses dual-bus structure, i.e. USB3.0 and USB2.0 coexist, and numerical value 0, which represents, uses USB2.0, and default value is number
Value 1, after the signal that wireless network and/or wireless device are currently being used is received, numerical value 1 can be revised as by handover module 34
0, that is, complete USB3.0 to USB2.0 switching.It should be noted that the meaning that above-mentioned numerical value represents is used only for illustrating, and
It is not used to be defined, for example numerical value 0 can also represent to use USB3.0, numerical value 2 represents and uses USB2.0.
In one embodiment of the invention, said apparatus can also include：Sending module, connect with above-mentioned handover module 34
Connect, reset instructions are reset for being issued to USB3.0 slave units, wherein, reset is instructed for indicating that USB3.0 slave units use
USB2.0 agreements are communicated with USB main equipment.It should be noted that reset instructions may be used to indicate that and re-recognize institute
The USB device of connection.By the step can USB3.0 slave units information reporting is eventually completed with USB2.0 agreement
And work on.
In one embodiment of the invention, said apparatus also includes：Receiving module, it is connected with above-mentioned handover module 34,
For receiving switching command, wherein, above-mentioned switching command, which is used for instruction, to be allowed USB3.0 bus switchs to USB2.0 buses.I.e.
For receiving module after switching command is received, handover module 34 just carries out USB3.0 and USB2.0 switching.
It can be shown as it should be noted that upper receiving module receives switching command：In specified wireless network and/or specify
Network where wireless device is currently being used, and/or when the network where USB3.0 slave units is currently being used, can be direct
Switching command is triggered, can also be shown as, when meeting above-mentioned condition, does not first trigger switching command, but first send for carrying
Show whether user carries out the prompt message of the switching of usb bus, (switch in the instruction for receiving the switching for carrying out usb bus
Instruction) after, switch over, but be not limited to this.It should be noted that first prompt the user whether to carry out usb bus switching, if
User's instruction switches without usb bus, then shows that user can receive the interference signal, so, can enable to basis
The instruction of user determines whether to switch over, and can preferably improve the Experience Degree of user.
In one embodiment of the invention, above-mentioned handover module 34 is additionally operable to detecting the extraction of USB3.0 slave units
In the case of USB main equipment, by USB2.0 bus switchs to USB3.0 buses.
It should be noted that above-mentioned specified wireless network can be Wireless Fidelity WIFI, such as 2.4GHz WIFI, but simultaneously
Not limited to this, such as USB3.0 can cause what is necessarily disturbed to the WIFI, WIFI of the frequency in 2.5GHz preset range,
It should be noted that the preset range can be 0.5GHz effects, i.e. WIFI of the frequency between 2GHz to 3GH, but and unlimited
In this.Above-mentioned intended wireless device can be wireless mouse or other wireless devices, such as wireless headset, and unlimited
In this, this can also use the equipment of the frequency range in 2.5GHz preset range with wireless device.
It should be noted that said apparatus can be located in USB main equipment, can be located at other USB3.0 equipment ratios
It such as terminal, may be located in server, but be not limited to this.It should be noted that above-mentioned USB main equipment can be mobile
Terminal, terminal, however it is not limited to which this, above-mentioned 2nd USB3.0 can also be mobile terminal, terminal, but can also
It is some USB3.0 equipment, such as USB3.0 wireless network cards etc., but it is not limited to this.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any
The form of combination is located in different processors respectively.
Embodiment 3
A kind of system is additionally provided in the present embodiment, including：USB main equipment, USB3.0 slave units and USB3.0 cables；
Wherein, USB main equipment and USB3.0 slave units are attached by USB3.0 cables, and USB main equipment is included in embodiment 2
USB switching device.
The description of embodiment 2 is may be referred to for switching device, here is omitted.
Embodiment 4
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
To be arranged to the program code for the step of storage is used to perform the method in embodiment 1.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
For a better understanding of the present invention, the present invention is further explained below in conjunction with preferred embodiment.
The preferred embodiment of the present invention provides a kind of method of USB3.0 and USB2.0 switching, can solve the problem that USB3.0 exceeds the speed limit
The interference problem brought is wirelessly transferred in transmitting procedure to 2.4GHz.The preferred embodiment of the present invention can automatically detect interference simultaneously
Expansible host controller interface (eXtensible Host Controller Interface, the letter of energy control main frame side
Claim xHCI) belonging to external equipment interconnection bus (Peripheral Component Interconnect, abbreviation PCI) control
Register (equivalent to the control register in above-described embodiment), PCI control registers can control USB3.0 console controllers
The Root Hub connected is USB3.0HUB or USB2.0HUB, can pass through the value of configuration control register so that root collection
Line device (ROOT HUB) is switched to USB2.0 states, and such equipment is identified with USB2.0 again, preferably resolves interference
Problem.
The system physical plant that the preferred embodiment of the present invention provides includes USB3.0 main frames (equivalent in above-described embodiment
USB main equipment), USB3.0 cables, USB3.0 wireless network cards (equivalent to the USB3.0 slave units in above-described embodiment).
Can run one inside USB3.0 host computer systems described in the embodiment of the present invention applies app, this app to include two
Big module：Interference and abnormality detection module, USB HUB handover modules.It should be noted that this applies the work(that APP is completed
The function that can be completed equivalent to the method in above-described embodiment.
It should be noted that this is stored on the flash of USB3.0 wireless network cards using app, USB3.0 wireless network cards are first
During the secondary access USB3.0 main frames by USB3.0 cables, USB3.0 wireless network cards can appear in USB3.0 in the form of virtual optical disk
On main frame.So copy or be installed on USB3.0 main frames using app cans.USB3.0 wireless network cards access master again
Machine, this application can automatic running.
Set using app interference and abnormality detection module for whether USB3.0 interfaces in detecting system have accessed USB3.0
It is standby, if having accessed USB3.0 equipment, then interference and abnormality detection module continue to detect whether 2.4GHz Wireless USB mouse
Mark or the WIFI network for whether having accessed 2.4G, if so, and all carrying out data transmission, then hair message is to USB
HUB handover modules (equivalent to the handover module in above-described embodiment).If do not access USB3.0 equipment or do not carry out
Data transfer, then without switching.
It is dual-bus structure that USB3.0 console controllers are pointed out in USB3.0 protocol specifications, there is a USB2.0HUB and one
Individual USB3.0HUB is formed.USB HUB handover modules are used for managing USB HUB used in USB3.0 console controllers, once
Receive the handover request of interference and the transmission of abnormality detection module (equivalent to the switching command in above-described embodiment), then USB
HUB handover modules can modify the value of control register, such as that the expression connection of numerical value 2 is USB3.0HUB；The generation of numerical value 1
Table connection is to use dual-bus structure, i.e. USB3.0HUB and USB2.0HUB coexist；Numerical value 0 represent connection be
USB2.0HUB.Interference Detection is arrived, and value can be revised as the connection of 0, USB3.0 wireless network cards by handover module from default conditions 1
ROOT HUB will be switched to USB2.0 HUB from USB3.0HUB.HUB handover modules can issue reset instructions after switching,
Re-recognize the USB device that HUB downstream ports are connected.Our USB3.0 wireless network cards are compatible USB2.0 agreements, institute
After receiving reset instructions, USB2.0HUB can communicate with our USB3.0 wireless network cards, and the agreement used is USB2.0,
USB3.0 wireless network cards are eventually completed information reporting with USB2.0 agreement and worked on.
After USB3.0 wireless network cards are extracted, USB HUB handover modules may proceed to work, detect that USB3.0 equipment is extracted
Afterwards, the control register belonging to xHCI can be switched to 1 from 0, does not influence the use of other USB3.0 equipment.
This is still effective to other USB3.0 equipment using app, but needs to obtain user's license, otherwise only to this
USB3.0 wireless network cards are effective.This function can accomplish that app erection stages or later stage set the stage.
For above preferred embodiment, it is specifically described as follows：
Fig. 4 is the USB3.0 system physical connection figures provided according to the preferred embodiment of the present invention, as shown in figure 4, this is preferred
Embodiment wants normal work to have the PC main frames with USB3.0, and a storage has automatic detection to disturb and the executable journey that automatically switches
The USB3.0 wireless network cards of sequence and a USB3.0 cable.PC main frames and USB3.0 wireless network cards are by USB3.0 cables by equipment
It is connected with the USB3.0 interfaces of main frame.
The function that automatic detection is disturbed and automatically switched is realized, host computer side will install a real-time monitor (RTM), be used for
Whether monitoring host computer side has in the WIFI using 2.4G and wireless mouse and according to circumstances carries out usb hub (USB HUB)
Switching.This monitoring programme installation kit is placed in some file partition of USB3.0 wireless network cards.Wireless network card can be with
By the way that the interface of oneself is reported small computer system interface is used for mass storage interface, interface subclass code
(Small Computer System Interface；Abbreviation SCSI) instruction set, interface protocol be BULK-ONLY transmission, PC master
Wireless network card will be identified as virtual optical disk by machine, and then read the content in CD, then will be stored in inside wireless network card
File read be installed on PC main frames.
Fig. 5 is the automatic detection and switching APP provided according to the preferred embodiment of the present invention scheme of installation, such as Fig. 5 institutes
Show, descriptor is that the default control endpoint for the USB pipe established by equipment and main frame obtains, the reading instruction and equipment of main frame
Reply be to be transmitted by BULK IN and OUT pipelines, by reading many times, CD content will be read into PC sides.
Fig. 6 is the relation schematic diagram between the host application program and each module provided according to the preferred embodiment of the present invention,
As shown in fig. 6, compatible forward for USB2.0, USB3.0 console controller system has been designed to two sets of HUB structure, one
Cover HUB and support USB2.0 agreements, a set of HUB supports USB3.0 agreements, is dual-bus structure.Specific USB2.0 HUB work is also
It is USB3.0 HUB work, what it is depending on access is USB3.0 cables or USB2.0 cables.
Either windows or linux operating systems both provide a set of pci bus operate interface, and this interface can be with
The control register write-in of control USB3.0 console controllers is 0 or 1, a 0 expression only enabled USB2.0HUB, and 1 represents
USB2.0HUB and USB3.0HUB is enabled.Therefore we can support USB3.0 agreements still to support in PC sides dynamic implement
USB2.0 agreements, and then according to selection, control USB3.0 equipment to be operated with USB2.0 pattern.
The module for being responsible for control register in USB3.0 console controllers is the HUB switching moulds of host application program of the present invention
Block.The premise that HUB handover modules carry out register write-in is wireless wifi detection modules and wireless mouse detection module detection
As a result.The wireless wifi detection modules detection of this preferred embodiment is wireless network connection, is connected and obtained by wireless network
Connection type, frequency used and use state；Wireless mouse detection module can be by detecting HID drivings and PS/2 driving behaviour
Make interface, judge connection type, use state.Above detection method includes but is not limited to the above method.
Fig. 7 is the USB3.0 console controller structured flowcharts provided according to the preferred embodiment of the present invention, as shown in fig. 7, this
Preferred embodiment is described with simplest interface, is only connected in mainboard and is come a USB2.0 interface and a USB3.0 interface.
Actual USB3.0 console controllers may be more complicated, one or more hubs (HUB) can be internally accessed, so as to extend
Go out multiple USB2.0 interfaces and multiple USB3.0 interfaces.
USB3.0 console controllers XHC is that HUB control registers are fixed as into USB3.0 and USB2.0HUB Coexistence modes,
But the operate interface of HUB control registers is still remained in kernel, such as in Linux system, kernel provides usb_
Enable_xhci_ports () and usb_disable_xhci_ports () function enable and disabled USB3.0HUB.So handle
Such interface abstraction is that control register switchs (S0 in figure), and application program is freely chosen whether by control register switch
Disable USB3.0HUB.
If S0 values are 1, then selection is exactly that USB3.0 and USB2.0HUB coexist, then C2 can be according to the USB of connection
Device type, the line that dotted line is walked in selection are connected to HCP2 hub interfaces, and the solid line line for being suspended to USB3.0HUB or black connects
To HCP1, USB2.0HUB is suspended to.
If S0 is set for 0, then no matter the insertion of C2 interfaces is USB2.0 equipment or USB3.0 equipment, can all be walked
The solid line line of black is connected to HCP1 hub interfaces, is suspended on USB2.0HUB, and final equipment can be identified as setting for USB2.0
It is standby.
Fig. 8 is the structured flowchart of module in the application program provided according to the preferred embodiment of the present invention, as shown in figure 8, bag
Monitoring modular, message collection and judge module, automatic switching module and device control module are included, wherein, monitoring modular is divided into three
It is individual：USB3.0 interface monitors module, WIFI monitoring modulars, wireless mouse monitoring modular, include but is not limited to both and wirelessly set
Standby monitoring modular.
Application program can monitor USB3.0 ports first, if there is equipment insertion on USB3.0 port, can further obtain
The descriptor information of USB device is taken, if obtaining BOS (Binary Device Object Store) or ECD (Endpoint
Companion Descriptor) descriptor (include but is not limited to such a USB3.0 judgment modes), it is determined that access is
USB3.0 wireless network cards, USB3.0 equipment otherwise can be waited to insert always.After monitoring USB3.0 equipment, message can be sent out to disappearing
Breath is collected and judge module, WIFI monitoring modulars and wireless mouse monitoring modular can detect whether now PC main frames have 2.4G
WIFI business is being run, or whether wireless mouse is using, and as a result can feed back to message collection and judge module, message collection and
Judged inside judge module, whether the use of Comprehensive Evaluation USB3.0 equipment can influence the wireless of 2.4GHz, if influenceed,
Automatic switching module is so notified, automatic switching module can re-write the value of PCI control registers, complete cutting for ROOT HUB
Change, hair message informing device control module is completed in switching, and device control module can enter row bus reset, after the completion of restarting
USB3.0 wireless network cards equipment will be mounted to USB2.0 HUB, be reported with USB2.0 configuration.
Fig. 9 is the schematic flow sheet that the application program provided according to the preferred embodiment of the present invention is installed, below in conjunction with Fig. 8 and
Fig. 9 is described in detail, and inserts USB3.0 wireless network cards on USB3.0PC main frames first, and oneself can be enumerated as virtual optical by network interface card
Disk, so that main frame identifies, meeting automatic running autorun after CD content is read on PC main frames, erection schedule is then called, goes out
The interface of existing " whether continuing to install ", if user does not select to install, is waited always, if selection installation, then detection is dry
The application process disturbed and carry out automatic adaptation switching has just been installed on PC main frames.Then USB3.0 network interface card is switched to separately
A kind of outer working condition --- network interface card pattern --- works on.The application process now installed has started, and carries out real
When monitor.By after host computer side application program installation, application program brings into operation flow immediately above.
Figure 10 is the schematic flow sheet of the USB3.0 switching methods provided according to the preferred embodiment of the present invention, such as Figure 10 institutes
Show, this method (i.e. above-mentioned application program) includes：
Application program launching.USB3.0 interface monitor modules start to monitor, detect USB3.0 equipment whether insert or
Extract, continue to detect not as equipment is detected, if detecting that USB3.0 equipment is inserted, then triggering WIFI detection moulds
Block, wireless mouse monitoring modular and other wireless device monitoring modulars.If monitor that USB3.0 equipment is extracted, then by it
The usb bus of preceding switching switches back into USB3.0 patterns.Whether WIFI monitoring modulars monitor WIFI frequencies by api interface first
2.4GHz, if not, then WIFI monitoring modulars function is completed；Otherwise WIFI connection service conditions are monitored, if made
With, then feed back to message collection and judge module.Wireless mouse monitoring modular is also intended to judge whether in use, to use
Situation feeds back to message collection and judge module.The present invention includes but is not limited to above two wireless product and used, therefore increases
One other wireless devices monitoring.USB3.0 interface monitor modules detect that USB3.0 equipment is inserted, then continue to detect
Whether there is network packet on USB3.0 network card interface, sampled if having.As a result feed back to message collection and judge mould
Block.Message collection considers foregoing several monitoring modular feedacks with judge module, judges, and prompts user to have dry
Disturb, if carry out USB3.0-USB2.0 bus switch.If user abandons, then represents that user receives interference；So program
Exit, re-execute.Otherwise the interface for calling PCI to provide modifies bus register value, and USB3.0 buses will switch
To USB2.0 buses.Then program issues a bus reset instruction, and device looses power is restarted.After the completion of restarting, although USB3.0
What equipment still connected is USB3.0 cable and USB3.0 HPI, but now USB3.0 HPI connection
It is USB2.0 bus, USB device can be reported with USB2.0 configuration.From the beginning program circulates again.By above-mentioned steps,
Influences of the USB3.0 to WIFI and other wireless 2.4GHz communications, which is just avoided, to be solved.
The application memory of monitoring interference and the automatic switchover of the preferred embodiment of the present invention passes through certainly in USB wireless network cards
Server end can be placed on by the installation procedure of this application by crossing modification, and installation can also be directly downloaded without wireless network card.By
Other USB3.0 equipment can also be added to monitoring range, can solve USB3.0 wireless networks incessantly by modification, application program
Disturbed caused by card, other USB3.0 terminals are equally applicable.Reach this purpose, it is only necessary to add in the application
Judgement to PID, VID and interface of other USB3.0 terminals.
The preferred embodiment of the present invention can solve the wireless of WIFI and 2.4GHz that USB3.0 exceeds the speed limit when transmitting to 2.4GHz
The interference problem that USB mouse is brought, although the method is to evade solution method, but implement simple and convenient, is fully relied on
Be software approach, it is not necessary to change circuit, increase extra hardware device, saved hardware cost.User only needs to supervise
The application for surveying interference is installed on USB3.0 main frames, completes the monitoring of interference using can, and automatic or carried by user
Usb bus is switched to 2.0 by the mode shown from 3.0, and Consumer's Experience is good.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (15)
- A kind of 1. switching method of general-purpose serial bus USB, it is characterised in that including：In the case where the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment insert USB3.0 slave units, judge Whether deposited between the network where network and specified wireless network and/or intended wireless device where the USB3.0 slave units In interference signal；In the case where judged result is the interference signal be present, by USB3.0 bus switchs to USB2.0 buses.
- 2. according to the method for claim 1, it is characterised in that include USB3.0 bus switchs to USB2.0 buses：The Root Hub being connected in the USB main equipment with the USB3.0 slave units is switched to by USB3.0 hubs USB2.0 hubs.
- 3. according to the method for claim 2, it is characterised in that in the following manner by the USB main equipment with it is described The Root Hub of USB3.0 slave units connection is switched to USB2.0 hubs by USB3.0 hubs：By in the USB main equipment with the USB3.0 hubs corresponding to value be revised as it is corresponding with the USB2.0 hubs Value.
- 4. according to the method for claim 1, it is characterised in that by the USB3.0 bus switchs to USB2.0 buses it Afterwards, methods described also includes：Issued to the USB3.0 slave units and reset reset instructions, wherein, the reset is instructed for indicating the USB3.0 Slave unit is communicated using USB2.0 agreements with the USB main equipment.
- 5. according to the method for claim 1, it is characterised in that by the USB3.0 bus switchs to USB2.0 buses it Before, methods described also includes：Switching command is received, wherein, the switching command, which is used for instruction, to be allowed USB3.0 bus switchs to USB2.0 buses.
- 6. according to the method for claim 1, it is characterised in that after by USB3.0 bus switchs to USB2.0 buses, Methods described also includes：In the case where detecting that the USB3.0 slave units extract the USB main equipment, by the USB2.0 bus switchs extremely The USB3.0 buses.
- 7. method according to any one of claim 1 to 6, it is characterised in that the specified wireless network includes wireless Fidelity WIFI, the intended wireless device include：Wireless mouse.
- A kind of 8. switching device of general-purpose serial bus USB, it is characterised in that including：Judge module, for inserting USB3.0 slave units in the USB3.0 interfaces for detecting general-purpose serial bus USB main equipment In the case of, judge network where the USB3.0 slave units with where specified wireless network and/or intended wireless device It whether there is interference signal between network；Handover module, for it the interference signal be present in judged result in the case of, by USB3.0 bus switchs extremely USB2.0 buses.
- 9. device according to claim 8, it is characterised in that the handover module is additionally operable in the USB main equipment The Root Hub being connected with the USB3.0 slave units is switched to USB2.0 hubs by USB3.0 hubs.
- 10. device according to claim 9, it is characterised in that the handover module is in the following manner by the USB master The Root Hub being connected in equipment with the USB3.0 slave units is switched to USB2.0 hubs by USB3.0 hubs：By in the USB main equipment with the USB3.0 hubs corresponding to value be revised as it is corresponding with the USB2.0 hubs Value.
- 11. device according to claim 8, it is characterised in that described device also includes：Sending module, for described USB3.0 slave units, which issue, resets reset instructions, wherein, the reset is instructed for indicating that the USB3.0 slave units use USB2.0 agreements are communicated with the USB main equipment.
- 12. device according to claim 8, it is characterised in that described device also includes：Receiving module, for receiving switching command, wherein, the switching command, which is used for instruction, to be allowed USB3.0 bus switchs extremely USB2.0 buses.
- 13. device according to claim 8, it is characterised in that the handover module be additionally operable to detect it is described In the case that USB3.0 slave units extract the USB main equipment, by the USB2.0 bus switchs to USB3.0 buses.
- 14. the device according to any one of claim 8 to 13, it is characterised in that the wireless network includes wireless protect True WIFI, the wireless device include：Wireless mouse.
- A kind of 15. system, it is characterised in that including：USB main equipment, USB3.0 slave units and USB3.0 cables；Wherein, it is described USB main equipment includes the device any one of claim 8 to 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340344.6A CN107402893A (en) | 2016-05-19 | 2016-05-19 | USB switching method and device, system |
| PCT/CN2017/000055 WO2017197900A1 (en) | 2016-05-19 | 2017-01-03 | Usb switching method, device, and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340344.6A CN107402893A (en) | 2016-05-19 | 2016-05-19 | USB switching method and device, system |
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| CN107402893A true CN107402893A (en) | 2017-11-28 |
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| CN201610340344.6A Pending CN107402893A (en) | 2016-05-19 | 2016-05-19 | USB switching method and device, system |
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| CN (1) | CN107402893A (en) |
| WO (1) | WO2017197900A1 (en) |
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| CN108388523A (en) * | 2018-05-03 | 2018-08-10 | 广州视源电子科技股份有限公司 | Intelligent flat, passageway switching method and computer readable storage medium |
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Also Published As
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| WO2017197900A1 (en) | 2017-11-23 |
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Application publication date: 20171128 |